000 | 00381nam a2200133Ia 4500 | ||
---|---|---|---|
008 | 130225s9999 xx 000 0 und d | ||
100 | _aGrubb, H.F | ||
245 | _aEffects of coal mining on the water resources of the tradewater river basin, ke | ||
260 |
_aWashington _c1972 |
||
300 | _a1-83 p. | ||
440 | _aUnited States Geological Surv | ||
901 | _a124338 | ||
942 |
_cB _2udc |
||
999 |
_c10943 _d10943 |